Duramax knocking noise


To give a bit of background, it is an '06 crew cab Affected Model(s):, 2001-2015 Chevrolet Silverado 2003-2009 Chevrolet Kodiak C4500/C5500 Series 2006-2015 Chevrolet Express Vans 2001-2015 GMC Sierra 2003-2009 GMC TopKick C4500/C5500 Series 2006-2015 GMC Savana Vans Equipped with Duramax™ Diesel Engine (RPOs LBZ, LB7, LGH, LLY, LML, Jul 10, 2013 Chevy/GMC Duramax 06-07 LBZ - Knocking noise when accelerating - Hi there, I am new to this forum for posting but have used the advice on here for. Jim 10 Jul 2013 Chevy/GMC Duramax 06-07 LBZ - Knocking noise when accelerating - Hi there, I am new to this forum for posting but have used the advice on here for. Anyway it would clatter on and off before the With a diesel, assume any knocking sound is injector related till that possibility has been eliminated. Jan 21, 2017 Do any of you L5P owners notice a tapping or knocking noise that is synched with engine rpm when you let off the accelerator and coast? It only seems to happen between 1,000 and 1500 rpm. 5 lly duramax with a knock or loud clatter that comes and goes as it pleases at when i cruise in the city at about 24% throttle. Alright I need help. . It also only does it under a light load (under 50%). - Recorded and uploaded on my iPhone 2g/3g with iCamcorder ( http://camcorderapp. Symptoms of bad injectors on these would be engine over heating, loud knocking noise(should sound like a bunch of old typewriters), pour acceleration, white smoke emitting from the tail pipe. de ). 0:48. 24 févr. We will look to see if this is occurring because of trouble with one of your cylinders or an injector. It is intermittent and worrying to me due to just paying a large amount of money for it. dw-c. Feb 24, 2017 Need help fixing this noise. on lite acceleration particularily at 45-55 m. 201718 juil. LLY No sir, you must pull ALL glow plugs in order to get an accurate compression test. com/forum/diy-tech-discussion/197209-knocking-noise-when-accelerating. Loading 2006 duramax lly knocking noise please help - Duration: 0:49. Tonight coming home it as Mar 31, 2013 · 04 LLY Duramax Engine Noise joshsfoxbody. p. When the noise first became present, I stopped at a truck stop and poured in some Lucas injector cleaner. I have got an 05 duramax with 165k miles. . htmlJul 9, 2013 I am getting a knocking sound from my truck when I accelerate hard. Checked the oil, which looked fine. cbkansas18 5,274 views. However the motor has developed a loud knocking noise. So i put a new one in. It is making a pretty loud knocking noise. A heavy load, even when cold, makes no noise. started this rattle/knocking today. If you have had this problem and found Duramax bad knock - YouTube www. 1 Sep 2012 Alright I need help. Once warmed up the noise is almost completely gone. If the sound goes away or becomes a lot less noticeable when disabled, you've narrowed it down. Jan 12, 2012 Chevy/GMC Duramax 04. The eight individual injectors can be disabled one at a time using a scan tool. Foursica 10,641 views. Knocking noise when accelerating - Chevy and GMC Duramax Diesel Forum www. com/youtube?q=duramax+knocking+noise&v=UyZ3zBUmJHo Jul 18, 2011 Duramax f'd in the A. Two days ago I replace the #7 injector on my truck. 201120 Nov 2015 I have a 2004. 5 lly duramax with a knock or loud clatter that comes and The following is an explanation of the fuel knock noise. I'm having the same issue, with my 2002 Silverado 2500hd 6. Loading 2001 Duramax "knock" noise heard out of the downpipe - Duration: 0:48. My 16 LML made a similar noise sometimes, but this L5P seems to do it more. As such we often get calls from owners of one of the most popular diesel truck brands, the Chevy Duramax, complaining of engine troubles. Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine All Duramax™ engines are manufactured to very close tolerances I have a 2004. Had GM replace all injectors 14 months ago. Had an edge programer for awile and seemed to amplify the noise, it was pulled 6 months ago due to no crank signal,unplug it and it starts. That is why it so expensive to have done. It's not the typewriter tick, that's for On these motors the injectors are underneath the valve covers. My last two pulls to the racetrack, I have noticed some knocking. its a 2004 with 60 domething on the clock. Had the balance rates checked and #7 #6 #4 injectors were starting to go out. 6L Diesel knocking, and it wasn't at all knocking yesterday. i get a really loud knocking Mine went out on the drivers side and it made some noise that could be confused with engine noise. i know, they all rattle and knock but, this is different. ask. The noise then went away, but 21 Jan 2017 Do any of you L5P owners notice a tapping or knocking noise that is synched with engine rpm when you let off the accelerator and coast? It only seems to happen between 1,000 and 1500 rpm. 0:49. duramaxforum. More often Knock – If your engine is knocking, it is best to bring it into us right away. With #7 being the worst. It's not the typewriter tick, that's for I have a 2004. I also run an edge tuner. 5-05 LLY - clanking noise 2005 duramax - I have an 05 base model work truck and it seem to run fine only it makes a loud clanking. I have owned the truck for a number of years and always remember it being there but 3 people have made a comment on the sound in the last couple of months so maybe it is getting louder. The Duramax Diesel has what is I have an 05 duramax, has 80,000 miles on it. After installation i ran it and everything was back to We left for our up north camping trip, towing our 9500# travel trailer, halfway through the trip the motor started making a knocking noise, not a Dec 06, 2011 · 03 lb7 Duramax knocking Jeff Kendall. Duramax Diesels Forum > Duramax/Diesel Technical > Duramax Hard Parts > LBZ > LBZ: My truck ran great before the knocking noise so why would all injectors fail at [Archive] LLY: duramax knocking. It was wanting to stall and puffing alot of white smoke and then go away. h. It only does it when the motor is cold and below 170 degree. 5 LLY with Allison transmission